Robert went to four different pet stores and found these prices for the dry food his dog eats pet snake 20 pounds for 21 best pet 15 pounds for $40.70 i'll pay 25 pounds for $27.25 pet +19 pounds for $21.85 which store charges a lease amounth robert went to four different pet stores and found these prices for the dry food his dog eats pet snake 20 pounds for 21 best pet 15 pounds for $40.70 i'll pay 25 pounds for $27.25 pet +19 pounds for $21.85 which store charges a lease amount per pound